Water and sanitation
Revision as of 12:54, 1 February 2008 by Sethwoodworth (talk | contribs)
Some links to educational materials/activities related to water testing and purification:
- Where there is No Doctor, et al
- High-quality videos about water quality for kids. Many are about large-scale water systems rather than small-scale technologies kids can reasonably implement on their own, though.